Published in: American Economic Review (vol. 108 no. 12, December 2018, pp. 3541-3582) https://doi.org/10.1257/aer.20151510.

Published in: International Economic Review (Vol. 51, No. 2, May 2010, pp. 509-532) https://doi.org/10.1111/j.1468-2354.2010.00591.x.

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Reprinted from Revisiting Keynes: Economic Possibilities for Our Grandchildren, edited by Lorenzo Pecchi and Gustavo Piga, copyright 2008. https://doi.org/10.7551/mitpress/9780262162494.003.0007

Reprinted from Journal of Monetary Economics, (January 2005, Vol. 52, No. 1, pp. 69-107), copyright 2005, with permission from Elsevier. https://doi.org/10.1016/j.jmoneco.2004.09.002

Published in: Quarterly Review (Vol. 30, No. 1, September 2006, pp. 2-27) https://doi.org/10.21034/qr.3011.

Published in: Journal of Monetary Economics (Vol. 52, No. 1, January 2005, pp. 69-107) https://doi.org/10.1016/j.jmoneco.2004.09.002.

This article is reprinted, with permission, from the American Economic Review (May 2001, Vol. 91, No. 2, pp. 34-38). Copyright 2001 by the American Economic Association. The article was edited for publication in the Federal Reserve Bank of Minneapolis Quarterly Review. https://doi.org/10.1257/aer.91.2.34

Published in: Review of Economic Dynamics (Vol. 5, No. 1, January 2002, pp. 19-44) https://doi.org/10.1006/redy.2001.0140.

Published in: Journal of Political Economy (Vol. 112, No.4, August 2004, pp. 779-816), https://doi.org/10.1086/421169.

Published in: Quarterly Review (Vol. 26, No. 2, Spring 2002, pp. 12-17) https://doi.org/10.21034/qr.2622.

Published in: American Economic Review (Vol. 91, No. 2, May 2001, pp. 34-38) https://doi.org/10.1257/aer.91.2.34.

Published in: NBER Macroeconomics Annual 2000 (Vol. 15, 2001, pp. 183-227)

Published in: Journal of Political Economy (Vol. 107, No. 1, February 1999, pp. 178-185) https://doi.org/10.1086/250055.

Published in: Review of Economic Studies (Vol. 65, No. 3, July 1998, pp. 433-451) https://doi.org/10.1111/1467-937X.00052.

Published in: Recent developments in growth theory (Vol. 2, 2004, pp. 497-521)

Published in: Econometrica (Vol. 68, No. 5, September 2000, pp. 1029-1053) https://doi.org/10.1111/1468-0262.00150.